/*
 * Copyright (c) 2009, Hamish Morgan. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * 3. Neither the name of the University of Sussex nor the names of its
 *    contributors may be used to endorse or promote products derived from
 *    this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */
package locusts.common.entities;

import java.awt.Shape;
import java.awt.geom.Ellipse2D;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;

/**
 * Silly temporary entity till I get round to doing something better. 
 * Basically it's a collidable entity with the addition of a "picking up" 
 * flag.
 *
 * @author Hamish Morgan
 * @deprecated TODO: This class should be generalised
 */
public class CropsEntity extends CollidableEntity {

    private static final transient Shape DEAULT_SHAPE = new Ellipse2D.Double(
            -1, -1, 2, 2);
    private boolean pickingUp;
    //
  
    public CropsEntity(int typeId, double x, double y, double energy) {
        super(typeId, x, y, DEAULT_SHAPE, 0, energy);
        pickingUp = true;
        flush();
    }

    public CropsEntity(CropsEntity that) {
        super(that);
        this.pickingUp = that.pickingUp;
    }

    private void writeObject(ObjectOutputStream out) throws IOException {
        out.writeBoolean(pickingUp);
    }

    private void readObject(ObjectInputStream in) throws IOException {
        setPickup(in.readBoolean());
    }

    private void flush() {
        double r = 4 * Math.sqrt(getEnergy() / Math.PI);
        setShape(new Ellipse2D.Double(-r, -r, 2 * r, 2 * r));
    }

    public boolean isPickingUp() {
        return pickingUp;
    }

    @Override
    public void setEnergy(double energy) {
        super.setEnergy(energy);
        flush();
    }

    public void setPickup(boolean pickup) {
        if (this.pickingUp != pickup) {
            this.pickingUp = pickup;
            setModified();
        }
    }

    @Override
    public CropsEntity clone() {
        return new CropsEntity(this);
    }
}
